Assignee
Inventors
- Takayuki Ishii (85 patents)
- Makiko Kasano (4 patents)
- Tae Yasunaga (4 patents)
- Mariko Ishii (5 patents)
- Mamoru Sugimoto (26 patents)
- Kenkichi Tomita (6 patents)
- Takeshi Miyata (6 patents)
- Makoto Tanaka (13 patents)
US Patent 5393742 · Granted Feb 28, 1995